package com.itcast.finaldemo.Demo02;

/*
USB的键盘子类
*/
public class Keybord extends USB {
    @Override
    public void connect() {
        System.out.println("键盘连接了！！！");
    }

    @Override
    public void disconnect() {
        System.out.println("键盘断开了！！！");
    }

    @Override
    public void operator() {
        System.out.println("键盘使用了！！！");
    }
}
